#include<bits/stdc++.h>
using namespace std;


 int main(){
 	freopen("replace.in","r",stdin);
 	freopen("replace.out","w",stdout);
 	int n;
 	cin>>n;
 	for(int i=0;i<n;i++){
 		cout<<'0';
	 }
 	
 	return 0;
 }
